Description

Astaxanthin is a powerful, naturally occurring keto-carotenoid renowned for its exceptional antioxidant properties. This compound is critical for industries requiring high-performance, natural ingredients to enhance product stability and efficacy. It is primarily sought by manufacturers in the nutraceutical, aquaculture, cosmetics, and food and beverage sectors for its vibrant color and health-promoting benefits.

Application

• Nutraceuticals & Dietary Supplements: Used as a key active ingredient in capsules, softgels, and powders for its potent antioxidant support for eye, skin, and joint health.
• Aquaculture Feed: Essential for pigmentation in farmed salmon, trout, and shrimp, improving product color and market value.
• Cosmetics & Skincare: Incorporated into anti-aging serums, creams, and lotions for its ability to protect skin from oxidative stress and UV damage.
• Food & Beverage Coloring: Serves as a natural colorant (E161j) in functional foods, beverages, and pet food.
• Animal Nutrition: Enhances immune function and reproductive health in livestock and poultry feed formulations.
• Pharmaceutical Research: Utilized in clinical studies and formulations investigating anti-inflammatory and neuroprotective effects.

Basic Information

Product Name	Astaxanthin
CAS No.	472-61-7
Molecular Formula	C40H52O4
Molecular Weight	596.84 g/mol
Synonyms	3,3'-Dihydroxy-β,β-carotene-4,4'-dione; Astaxanthin; (3S,3'S)-Astaxanthin; CI 40850; E 161j; Ovoester; Synthetic Astaxanthin; Carophyll Pink
EINECS	207-451-4

Quality Control

Our Astaxanthin is produced under strict quality management systems. We provide material that meets relevant standards for nutraceutical, food, and feed applications. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, potency, and safety parameters to ensure traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at temperatures between 2-8°C (refrigerated) or as specified for the specific grade. This product is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Dark red to violet crystalline powder
Identification (HPLC/UV)	Conforms
Assay (HPLC)	≥ 95.0% - 102.0%
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines
Total Plate Count	≤ 1000 cfu/g
Yeast & Mold	≤ 100 cfu/g
Loss on Drying	≤ 1.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.